Transgo 4L30E Shift Kit GM, Isuzu, BMW '91-04 SK 4L30E

Fits 4L30E 1991-2004 Isuzu, BMW, Cadillac

Includes correct fit 3rd Drum Support Bushing with installation tool and Pump Alignment tool

Addresses Chronic Low Band failure, Repeated TCC Burn Up PWM type pump, Slipping 1st and 2nd gear, 2-3 Cutloose, Direct Clutch failure. Improves and restores correct drivability with added durability. Includes Tech information and procedures to correct/reduce reoccurring low band failure. Tech information and parts necessary to interchange PWM and Non PWM pump assemblies.

Installation recommendation: Experienced technician
Transmission removal necessary: Yes